Abstract: A separator assembly for separating fat, oil, and grease from effluent includes a container for receiving and holding effluent water containing oil, grease and solid waste to be removed from the effluent water and a communications module having a processor, memory and transmitter at the facility site to communicate over cellular or WiFi signals with a remote station. The separator may include a skimmer to skim F.O.G. from the effluent water held in the container or be of a grease trap mode collecting F.O.G. for subsequent removal.

Abstract: Provided is a wastewater treatment method including measuring a chemical oxygen demand (COD) of wastewater containing organic matter in real time, calculating the amount of ozone associated with a concentration of the organic matter using the measured COD value, and controlling a production of ozone of an ozone generator based on the calculated amount of ozone. The present invention provides a wastewater treatment method and system for adjusting the production of ozone used as an oxidizing agent for decomposing organic matter in wastewater in association with a load of organic matter in wastewater to be oxidized.

Abstract: A wastewater filter cartridge includes a peripheral frame, two filter media sheets, two sets of angled fins, and a filtered water outlet. The two filter media sheets are attached to the peripheral frame in spaced face-to-face relation such that they combine with the peripheral frame to define an interior volume within the filter cartridge. At the same time, the two sets of angled fins are attached to the peripheral frame external to the interior volume and project away from the filter media sheets at oblique angles. As wastewater passes through the two filter media sheets into the interior of the filter cartridge, the two filter media sheets act to reduce the suspended solids in the wastewater. Once in the interior volume of the filter cartridge, the filtered water is collected via the filtered water outlet, which is connected to the interior volume.

Abstract: Disclosed herein is a waste oil purification apparatus that purifies waste lubricating oil and waste oil at high speed by a precipitation induction method in a vacuum state and further completely removes metallic foreign materials, thereby improving the efficiency of the purification of waste oil. The waste oil purification apparatus may include a purifier configured to purify waste oil such as waste lubricating oil or general waste oil by a filtering method, and a separator configured to separate and remove foreign materials contained in the waste oil purified by the purifier.

Abstract: This disclosure relates to a separating element for separating gas bubbles from a liquid, in particular from hydraulic oil, which includes a volume body with an open-pored material structure which has a plurality of cells which are arranged offset with respect to one another in such a manner that a plurality of flow paths for guiding gas bubbles through the material structure run in labyrinth-like manner, wherein the material structure includes at least one contact region in which at least two of the flow paths approach one another at least in sections, so that, in operation, the gas bubbles guided on the flow paths contact one another and thus join together to form a larger gas bubble. The disclosure further relates to a separating unit, a filter element, a filter housing, a filter device and a separating method.

Abstract: Systems and methods for dehydrating a mixture of organic liquid and water are disclosed. A mixture of the organic liquid and water is fed to a membrane. The mixture is then subjected to process conditions sufficient to cause pervaporation. A permeate comprising a higher weight percentage of water than the weight percentage of water in the mixture is recovered. A retentate comprising a higher weight percentage of organic liquid than the weight percentage of the organic liquid in the mixture is also recovered.

Abstract: An outflow portion that causes a space inside a filter element to communicate with a space outside a filter case includes an upper surface and a bottom surface that are provided so as to be separated from each other. The back pressure valve includes the valve body having the substantially plate-like shape and the elastic member provided between the bottom surface and the valve body. The valve body is movable between a closed position in which the valve body is in contact with the upper surface, and an open position in which the valve body is not in contact with the upper surface. A recessed portion is provided in a surface, of the valve body, that comes into contact with the upper surface, and an outflow port is formed in a side surface or the upper surface of the outflow portion.

Abstract: A first chromatogram is obtained by analyzing a second standard sample by size exclusion chromatography analysis using a first detector. Also, a second chromatogram is obtained by analyzing a solvent for the second standard sample by size exclusion chromatography analysis using the first detector. Then, from the difference between the first chromatogram and the second chromatogram, a third elution time in size exclusion chromatography analysis of the second standard sample using the first detector is determined.

Abstract: A sampling needle (2) having a suction port at a tip, a movement mechanism (4) that moves the needle (2) at least in a vertical direction while holding the needle (2) in a state where the suction port faces vertically downward, a suction mechanism (6) for sucking liquid through the needle (2), a controller (10) configured to control operation of the movement mechanism (4) and the suction mechanism (6) are included.

Abstract: The invention provides a semipermeable composite membrane that reduces an environmental load, and a method of producing the semipermeable composite membrane. A semipermeable composite membrane 100 includes, on a porous support 102, a semipermeable membrane 104 containing a crosslinked polyamide 120 and a cellulose nanofiber 110. A method of producing the semipermeable composite membrane includes obtaining a mixed solution containing the cellulose nanofiber 110, water, and an amine component, and obtaining the semipermeable composite membrane 100 by making the mixed solution be in contact with the porous support 102, thereafter, causing a cross-linking reaction of the amine component in the mixed solution, with the amine component adhering to the porous support 102.

Abstract: A cylindrical filter element having a central longitudinal axis and filter media including a plurality of radially extending pleats arranged in a pattern that repeats around the central longitudinal axis. Each of the pleats comprises an inner pleat tip, wherein the inner pleat tips of each pattern define an open area that extends along a height of the filter element, and wherein each pattern of pleats comprises a first series of intermediate pleats that descends in length from a major pleat to a minor pleat and a second series of intermediate pleats that ascends in length from the minor pleat to a major pleat of an adjacent pattern of pleats.

Abstract: A measurement portion and an antenna are allowed to be provided in a filter device by simply mounting one member. An antenna unit that includes an antenna configured to communicate with an IC tag is provided in a vicinity of a first end face as one end of a case. A sensor is provided inside the case and a back side of the case with respect to the antenna unit.

Abstract: Method and kits for handling an aqueous waste solution or dispersion obtained upon removing a water-miscible support material from a three-dimensional object during additive manufacturing of the object, and additive manufacturing processes utilizing same are provided. The methods and kits utilize a super absorbent polymeric material to convert the liquid waste solution to a solid or semi-solid composition.

Abstract: An object of the present invention is to provide a method for purifying efficiently and easily a 226Ra-containing solution obtained when 225Ac is produced from a 226Ra target, a method for producing a 226Ra target by using the purified 226Ra-containing solution obtained by the above purification method, and a method for producing 225Ac including these above methods. The method for purifying a 226Ra-containing solution according to the present invention is characterized by including an adsorption step (R1) of allowing 226Ra ions to adsorb onto a carrier having a function of selectively adsorbing divalent cations by bringing a 226Ra-containing solution (a) into contact with the carrier under an alkaline condition; and an elution step (R2) of eluting the 226Ra ions from the carrier under an acidic condition.

Abstract: The roof drain overflow cover with sensor cooperatively engages and covers a conventional roof drain cap cover to prevent trash from reaching and clogging the conventional roof basket cover and drain. Accumulating trash builds up on the screen of the overflow prevention device causing a doughnut shaped buoy connected to a trash tray to rise. The trash tray is retained to a base with magnets. When the water reaches a predetermined level, the doughnut shaped buoy rises pulling the trash tray away from the base allowing water to flow to the conventional roof drain basket and activating an overflow sensor and a control module. The control module is in communication with the water flow sensor and includes an indicator which is activated when the water flow sensor detects the detachment of the trash tray from the base indicating a potential flooding situation with the roof drainage system.

Abstract: A desalination brine dispersal apparatus and method employ airlift to remove, oxygenate and disperse brine from a desalination apparatus. The apparatus includes a brine removal conduit having a brine inlet that receives brine from the desalination apparatus, a plurality of brine outlets submerged in seawater and one or more air introduction points located at depths below the brine outlets. The supplied air oxygenates and moves brine through the brine removal conduit and outlets via airlift and disperses the brine into seawater away from the brine removal conduit. The apparatus avoids the formation of concentrated, high shear brine plumes and can disperse brine into seawater over a wide area well away from the brine removal conduit.

Abstract: A membrane filter configured to filter a liquid, the membrane filter including a base element including at least one membrane carrier that is externally flowable by the liquid and a gas; hollow fiber membranes respectively including lumen and attached at a top of the at least one membrane carrier wherein a liquid permeate is filterable from the liquid into the lumen; a one piece extruded circumferentially closed pipe that envelops the hollow fiber membranes; a gas inlet configured to let gas into a bottom of the membrane filter; at least one permeate collection cavity included in the base element and connected with the lumen and configured to collect the liquid permeate from the hollow fiber membranes; a permeate outlet included in the base element and configured to drain the liquid permeate from the at least one permeate collection cavity laterally from the base element.

Abstract: A closing and opening device for cartridge filter housings, including a first body and a second body, which move relative to each other, a sealing element between the first body and the second body and moving devices of the first body with respect to the second body; the moving devices are configured to perform a relative shift between the first body and the second body, moving them close and away, to switch from the first configuration where the first body and second body are located at a first distance so that the sealing element is in a resting position to the second configuration where the first body and second body are placed at a second distance, shorter than the first distance, so that the sealing element is compressed by the first body and by the second body.

Abstract: A desalination brine dispersal apparatus and method employ airlift to remove, oxygenate and disperse brine from a desalination apparatus. The apparatus includes a brine removal conduit having a brine inlet that receives brine from the desalination apparatus, a plurality of brine outlets submerged in seawater and one or more air introduction points located at depths below the brine outlets. The supplied air oxygenates and moves brine through the brine removal conduit and outlets via airlift and disperses the brine into seawater away from the brine removal conduit. The apparatus avoids the formation of concentrated, high shear brine plumes and can disperse brine into seawater over a wide area well away from the brine removal conduit.

Abstract: A filtration system includes a filter housing having a cavity and a base, a drain defined in the base, a channel defined in the base and in fluid communication with the drain, and a filter cartridge having a longitudinal axis and being movable between an installed position within the cavity of the filter housing and an uninstalled position outside the cavity of the filter housing. The channel defines an outer diameter. The filter cartridge includes a bottom endplate defining an outer diameter that is greater than the outer diameter of the channel so that, in the installed position, the bottom endplate covers the channel and prevents fluid flow from the cavity to the drain, and a filter media extending axially outwardly from the bottom endplate.